/* =========================================
   大有同行（宁波）企业服务有限公司
   视觉识别系统
   主色：#E67E22（橙）辅色：#1A3A6B（深蓝）背景：#F8F9FC
   ========================================= */

/* === 变量 === */
:root {
  --color-primary: #E07117;
  --color-primary-light: #E8893C;
  --color-primary-dark: #C85E0F;
  --color-accent: #1A3A6B;
  --color-accent-light: #2A4F8A;
  --color-bg: #F8F9FC;
  --color-white: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-secondary: #5A6072;
  --color-text-light: #8A90A0;
  --color-border: #E4E8F0;
  --color-success: #27AE60;
  --shadow-sm: 0 2px 8px rgba(230, 126, 34, 0.08);
  --shadow-md: 0 4px 20px rgba(230, 126, 34, 0.12);
  --shadow-lg: 0 8px 40px rgba(230, 126, 34, 0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

/* 顶部公告栏 */
.top-bar {
  background: var(--color-white);
  color: var(--color-text-secondary);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1001;
  border-bottom: 1px solid var(--color-border);
}
.top-bar-inner {
  display: flex;
  justify-content: center;
  gap: 32px;
  width: 100%;
  align-items: center;
}
.top-bar-inner span strong { color: var(--color-text); font-weight: 700; }
@media (max-width: 600px) { .top-bar-inner span:last-child { display: none; } }

/* === 重置 === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === 通用容器 === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === 通用按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: #E2E8F0;
  color: #1A202C;
  border-color: #E2E8F0;
}
.btn-primary:hover {
  background: #CBD5E0;
  border-color: #CBD5E0;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 85, 104, 0.25);
}
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}
.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
}
.btn-full { width: 100%; }

/* === 通用区块 === */
.section { padding: 80px 0; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 16px;
  background: rgba(42, 79, 138, 0.08);
  border-radius: 50px;
}
.section-title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* =========================================
   导航栏
   ========================================= */
.site-header {
  position: fixed;
  top: 36px;
  left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

/* 导航栏下载按钮 */
.nav-download {
  background: #E8ECF0 !important;
  color: #1A1A2E !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-left: 8px;
  transition: var(--transition);
}
.nav-download:hover {
  background: #D1D8E0 !important;
}
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: auto;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon img { height: 100%; width: auto; }
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}
.logo-sub {
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--color-primary);
  background: rgba(230, 126, 34, 0.06);
}
.nav-link.active {
  color: var(--color-primary);
  background: rgba(230, 126, 34, 0.08);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* =========================================
   首页横幅
   ========================================= */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 108px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 48px 24px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.hero-highlight {
  color: #FFD54F;
}
.hero-title {
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 24px;
}
.hero-desc {
  font-size: clamp(16px, 2.5vw, 20px);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  padding: 24px 32px;
  max-width: 680px;
  margin: 0 auto;
}
.stat-item { flex: 1; text-align: center; }
.stat-num {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  margin: 0 8px;
  flex-shrink: 0;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  z-index: 1;
}
.scroll-arrow {
  animation: bounce 1.5s infinite;
  font-size: 10px;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* =========================================
   服务卡片
   ========================================= */
.services-preview { background: var(--color-white); }
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card.featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-color: var(--color-primary);
  color: var(--color-white);
}
.service-card.featured::before { background: var(--color-accent); }
.service-card.featured .service-icon { background: rgba(255,255,255,0.15); }
.service-card.featured .service-link { color: var(--color-accent-light); }
.service-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}
.service-icon {
  width: 56px; height: 56px;
  background: rgba(230, 126, 34, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: inherit;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.service-card.featured p { color: rgba(255,255,255,0.8); }
.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}
.service-link:hover { color: var(--color-accent); }

/* =========================================
   为什么选择我们
   ========================================= */
.why-us { background: var(--color-bg); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-text .section-tag { display: inline-block; }
.why-text .section-title { text-align: left; }
.why-intro {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 16px 0 28px;
}
.why-list { margin-bottom: 32px; }
.why-list li {
  display: flex;
  flex-direction: column;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}
.why-list li:last-child { border-bottom: none; }
.why-list strong {
  font-size: 15px;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.why-list span { font-size: 14px; color: var(--color-text-secondary); }

.cert-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cert-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.cert-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.cert-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.cert-desc { font-size: 13px; color: var(--color-text-secondary); }

/* =========================================
   流程
   ========================================= */
.process-section { background: var(--color-white); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  z-index: 0;
}
.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.step-num {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  margin: 0 auto 20px;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
}
.step-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.step-content p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
.process-arrow {
  font-size: 24px;
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  align-self: center;
  padding-top: 30px;
}

/* =========================================
   行业覆盖
   ========================================= */
.industries { background: var(--color-bg); }
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.industry-tag {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
}
.industry-tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* =========================================
   CTA
   ========================================= */
.cta-section { background: var(--color-bg); padding: 60px 0; }
.cta-box {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26,58,107,0.15) 0%, transparent 70%);
}
.cta-box h2 {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
  position: relative;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  position: relative;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* =========================================
   页脚
   ========================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col h4 {
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-icon {
  background: transparent;
}
.footer-logo .logo-icon img { filter: brightness(0) invert(1); opacity: 0.9; }
.footer-logo span { font-size: 14px; font-weight: 600; color: var(--color-white); }
.footer-col p { font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--color-accent); }
.contact-list li { font-size: 13px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--color-accent); }

/* =========================================
   页面通用标题区
   ========================================= */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 196px 0 60px;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-hero-content .section-tag {
  background: rgba(42, 79, 138, 0.2);
  color: var(--color-accent-light);
}
.page-hero-content h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}
.page-hero-content p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
}

/* =========================================
   关于我们
   ========================================= */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-intro-text .section-title { text-align: left; margin-bottom: 20px; }
.about-intro-text p { color: var(--color-text-secondary); line-height: 1.9; margin-bottom: 16px; }
.about-img-placeholder {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  color: rgba(255,255,255,0.7);
}
.img-icon { font-size: 64px; margin-bottom: 16px; }

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.advantage-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}
.advantage-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.advantage-icon { font-size: 36px; margin-bottom: 16px; }
.advantage-card h3 { font-size: 17px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.advantage-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.team-avatar {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 36px;
}
.team-card h4 { font-size: 16px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.team-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-item {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  color: var(--color-white);
}
.value-icon { font-size: 48px; margin-bottom: 20px; }
.value-item h3 { font-size: 22px; font-weight: 700; margin-bottom: 14px; }
.value-item p { font-size: 15px; line-height: 1.8; opacity: 0.85; }

/* =========================================
   服务详情页
   ========================================= */
.service-nav-sticky {
  position: sticky;
  top: 108px;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.service-nav-list {
  display: flex;
  gap: 0;
  overflow-x: auto;
}
.service-nav-item {
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}
.service-nav-item:hover { color: var(--color-primary); }
.service-nav-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

.service-detail-header { margin-bottom: 48px; }
.service-detail-header .section-title { text-align: left; }
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
.service-detail-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

.cert-table { display: flex; flex-direction: column; gap: 12px; }
.cert-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.7;
}
.cert-tag {
  font-weight: 700;
  font-size: 13px;
  padding: 2px 10px;
  border-radius: 50px;
  flex-shrink: 0;
}
.cert-tag:has(+ span) {}

.service-feature-list { display: flex; flex-direction: column; gap: 12px; }
.service-feature-list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.service-feature-list li strong { color: var(--color-primary); min-width: 90px; }

.sidebar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: sticky;
  top: 140px;
  box-shadow: var(--shadow-md);
}
.sidebar-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}
.sidebar-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.sidebar-card ul li { font-size: 14px; color: var(--color-text-secondary); }
.sidebar-note {
  font-size: 12px;
  color: var(--color-text-light);
  margin: 12px 0;
  line-height: 1.6;
}

.iso-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.iso-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.iso-card:hover { border-color: var(--color-primary); }
.iso-badge {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-accent);
  background: rgba(42, 79, 138, 0.1);
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  height: fit-content;
}
.iso-card h4 { font-size: 14px; font-weight: 700; color: var(--color-primary); margin-bottom: 6px; }
.iso-card p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }

.process-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.process-mini-step {
  padding: 12px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-accent);
}

.audit-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.audit-card {
  padding: 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.audit-card:hover { border-color: var(--color-primary); }
.audit-card h4 { font-size: 15px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.audit-card p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
.audit-desc { margin-top: 8px; color: var(--color-text-light) !important; font-style: italic; }

.section-divider { padding: 0; }
.divider-line { height: 1px; background: var(--color-border); }

/* =========================================
   联系我们
   ========================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form-header { margin-bottom: 32px; }
.contact-form-header h2 { font-size: 22px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.contact-form-header p { font-size: 14px; color: var(--color-text-secondary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.required { color: var(--color-accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(224,113,23,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  color: var(--color-text-secondary);
}
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-primary); }
.privacy-group { margin-top: 8px; }
.form-success {
  text-align: center;
  padding: 48px 24px;
}
.success-icon { font-size: 64px; margin-bottom: 20px; }
.form-success h3 { font-size: 24px; font-weight: 700; color: var(--color-success); margin-bottom: 12px; }
.form-success p { color: var(--color-text-secondary); margin-bottom: 8px; }

.contact-info-card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--color-white);
  margin-bottom: 20px;
}
.contact-info-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.info-items { display: flex; flex-direction: column; gap: 20px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-icon { font-size: 22px; flex-shrink: 0; }
.info-item strong { display: block; font-size: 13px; font-weight: 700; margin-bottom: 4px; opacity: 0.8; }
.info-item p { font-size: 14px; line-height: 1.6; opacity: 0.9; }
.pending { opacity: 0.5; font-style: italic; }

.wechat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}
.wechat-qr-img {
  max-width: 200px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 0 auto 12px;
  display: block;
}
.wechat-hint {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.service-promises {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.service-promises h4 { font-size: 15px; font-weight: 700; color: var(--color-primary); margin-bottom: 16px; }
.service-promises ul { display: flex; flex-direction: column; gap: 10px; }
.service-promises ul li { font-size: 14px; color: var(--color-text-secondary); }

/* =========================================
   响应式
   ========================================= */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr; }
  .cert-showcase { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 108px; left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: 8px; }
  .service-cards { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; gap: 24px; }
  .process-steps::before { display: none; }
  .process-arrow { display: none; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 48px; height: 1px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .iso-cards { grid-template-columns: 1fr; }
  .audit-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cert-showcase { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 56px 0; }
  .about-intro { grid-template-columns: 1fr; }
  .cta-box { padding: 36px 24px; }
  .process-mini { grid-template-columns: 1fr; }
}

/* =========================================
   语言切换按钮
   ========================================= */
.lang-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-left: 12px;
  transition: all 0.3s ease;
}
.lang-toggle:hover {
  background: #E07117;
  border-color: #E07117;
}

@media (max-width: 768px) {
  .lang-toggle {
    margin: 8px 16px;
    align-self: flex-start;
    color: var(--color-text);
    border-color: var(--color-border);
  }
}